Vargas, 33, was originally signed as an amateur free agent by Florida in 1995 and pitched for the Expos/Nationals, Diamondbacks, Brewers, Mets and Dodgers in his eight-year pro career. He retires with a career ERA of 4.83 in 217 games (114 of them starts). Vargas' best season was 2009, when he posted a 1.74 ERA and a 0.97 WHIP in 36 relief appearances with the Brewers and Dodgers.